I've been working on adding forking to the surefire plugin, really into the
surefire package, in order to allow clover to work and to allow our
implementation to offer features similar to those provided by the JUnit Ant
task
I've run into a number of problems:
1) on windows using both plexus.util.cli and runtime.exec I haven't been
able to construct classpaths containing embedded spaces - my repo is
located at c:\documents and settings\user\.m2\repository and so the 1st
reference to a jar in the repo is causing the exec to fail - it doesn't
matter if i wrap the classpath specification in double quotes or not
does anybody have any experience setting classpath as an environment
variable on runtime.exec()? if that would work it might be a work around
for setting classpath in the args list in CommandLine or runtime.exec()
2) the Surefire class uses a custom classLoader IsolatedClassLoader, which
lives in the surefire-booter subproject, In the method instantiateReports
the interface org.codehaus.surefire.report.Reporter is used as a cast for
the concrete implementation classes which implement the Reporter interface.
They are explicitly loaded with the custom classloader and the cast is
causing a ClassCastException because the Reporter class is declared in the
Surefire class and it is being loaded by the application class loader.
Since the classes are loaded by different ClassLoaders they are not
related. This strange behavior is a function of Java's class loading
strategy which actually creates sets of namespaces which are distinguished
by class/classloader pairs.
Given the previous explanation, does the following seem workable? Using
the classes ThreadedExecutor, ThreadFactory, FutureResult and Callable from
Doug Lea's concurrency package construct a mechanism for Surefire so that
it can run in a thread whose contextClassLoader is an IsolatedClassLoader
and which can produce a result object or throw an exception.
I'd appreciate feedback.
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